/* Copyright (c) 2001 Matej Pfajfar.
 * Copyright (c) 2001-2004, Roger Dingledine.
 * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
 * Copyright (c) 2007-2011, The Tor Project, Inc. */
/* See LICENSE for licensing information */

/**
 * \file connection_or.h
 * \brief Header file for connection_or.c.
 **/

#ifndef _TOR_CONNECTION_OR_H
#define _TOR_CONNECTION_OR_H

void connection_or_remove_from_identity_map(or_connection_t *conn);
void connection_or_clear_identity_map(void);
or_connection_t *connection_or_get_for_extend(const char *digest,
                                              const tor_addr_t *target_addr,
                                              const char **msg_out,
                                              int *launch_out);
void connection_or_set_bad_connections(const char *digest, int force);

int connection_or_reached_eof(or_connection_t *conn);
int connection_or_process_inbuf(or_connection_t *conn);
int connection_or_flushed_some(or_connection_t *conn);
int connection_or_finished_flushing(or_connection_t *conn);
int connection_or_finished_connecting(or_connection_t *conn);
int connection_or_digest_is_known_relay(const char *id_digest);
void connection_or_update_token_buckets(smartlist_t *conns,
                                        or_options_t *options);

void connection_or_connect_failed(or_connection_t *conn,
                                  int reason, const char *msg);
or_connection_t *connection_or_connect(const tor_addr_t *addr, uint16_t port,
                                       const char *id_digest);

int connection_tls_start_handshake(or_connection_t *conn, int receiving);
int connection_tls_continue_handshake(or_connection_t *conn);

void or_handshake_state_free(or_handshake_state_t *state);
int connection_or_set_state_open(or_connection_t *conn);
void connection_or_write_cell_to_buf(const cell_t *cell,
                                     or_connection_t *conn);
void connection_or_write_var_cell_to_buf(const var_cell_t *cell,
                                         or_connection_t *conn);
int connection_or_send_destroy(circid_t circ_id, or_connection_t *conn,
                               int reason);
int connection_or_send_netinfo(or_connection_t *conn);
int is_or_protocol_version_known(uint16_t version);

void cell_pack(packed_cell_t *dest, const cell_t *src);
void var_cell_pack_header(const var_cell_t *cell, char *hdr_out);
var_cell_t *var_cell_new(uint16_t payload_len);
void var_cell_free(var_cell_t *cell);

#endif